รูรับแสง(roo ráp săeng)

Meanings

1NounB2

aperture (opening in a lens/optical system)

the adjustable opening in a camera lens or other optical instrument that controls how much light enters (aperture; set via the f-number).

2NounC1

aperture setting (f-stop)

by extension, the chosen size of that opening when taking a photo; the aperture value/f-stop for an exposure.

Examples